diff options
Diffstat (limited to 'signs_lib')
| -rw-r--r-- | signs_lib/init.lua | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/signs_lib/init.lua b/signs_lib/init.lua index 8e0d047..82a0f1b 100644 --- a/signs_lib/init.lua +++ b/signs_lib/init.lua @@ -26,6 +26,9 @@ signs_lib.gettext = S -- text encoding dofile(signs_lib.path .. "/encoding.lua"); +-- Initialize character texture cache +local ctexcache = {} + local wall_dir_change = { [0] = 4, @@ -362,14 +365,19 @@ end -- make char texture file name -- if texture file does not exist use fallback texture instead local function char_tex(font_name, ch) - local c = ch:byte() - local exists, tex = file_exists(CHAR_PATH:format(font_name, c)) - if exists and c ~= 14 then - tex = CHAR_FILE:format(font_name, c) + if ctexcache[font_name..ch] then + return ctexcache[font_name..ch], true else - tex = CHAR_FILE:format(font_name, 0x0) + local c = ch:byte() + local exists, tex = file_exists(CHAR_PATH:format(font_name, c)) + if exists and c ~= 14 then + tex = CHAR_FILE:format(font_name, c) + else + tex = CHAR_FILE:format(font_name, 0x0) + end + ctexcache[font_name..ch] = tex + return tex, exists end - return tex, exists end local function make_line_texture(line, lineno, pos) |